Global Patent Index - EP 1428631 A2

EP 1428631 A2 20040616 - Apparatus for producing self-exciting hammer action, and rotary power tool incorporating such apparatus

Title (en)

Apparatus for producing self-exciting hammer action, and rotary power tool incorporating such apparatus

Title (de)

Vorrichtung zur Erzeugung einer selbsterregenden Schlagbewegung in einem Hammer, und rotierendes Kraftwerkzeug mit einer solchen Einrichtung

Title (fr)

Appareil pour la production d'un mouvement alternatif auto-excité et outil électrorotatif comportant un tel dispositif

Publication

EP 1428631 A2 20040616 (EN)

Application

EP 03027616 A 20031202

Priority

GB 0228737 A 20021210

Abstract (en)

An apparatus (1) for providing percussion action in a rotary power tool having a rotary output shaft (2), the apparatus (1) comprising at least one moveable mass (7) adapted to have a component of movement parallel to the axis of the rotary output shaft (2) to cause impacts to be applied to a working member of the tool; and conversion means for intermittently converting rotary movement of the rotary output shaft (2) into movement of at least one said moveable mass (7) to cause said impacts to be applied to the working member.

IPC 1-7

B25D 11/08

IPC 8 full level

B25D 11/06 (2006.01); B25D 11/08 (2006.01); B25D 16/00 (2006.01)

CPC (source: EP US)

B25D 11/06 (2013.01 - EP US); B25D 16/00 (2013.01 - EP US); B25D 2250/051 (2013.01 - EP US); B25D 2250/371 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

Designated extension state (EPC)

AL LT LV MK

DOCDB simple family (publication)

EP 1428631 A2 20040616; EP 1428631 A3 20080813; GB 0228737 D0 20030115; GB 2396130 A 20040616; GB 2396130 B 20050928; US 2004159452 A1 20040819; US 7036608 B2 20060502

DOCDB simple family (application)

EP 03027616 A 20031202; GB 0228737 A 20021210; US 73255903 A 20031210